9638029942 has 4 divisors (see below), whose sum is σ = 14457044916. Its totient is φ = 4819014970.

The previous prime is 9638029903. The next prime is 9638029967. The reversal of 9638029942 is 2499208369.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9638029942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2409507484 + ... + 2409507487.

It is an arithmetic number, because the mean of its divisors is an integer number (3614261229).

Almost surely, 2^9638029942 is an apocalyptic number.

9638029942 is a deficient number, since it is larger than the sum of its proper divisors (4819014974).

9638029942 is a wasteful number, since it uses less digits than its factorization.

9638029942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819014973.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 9638029942 is about 98173.4686256934. The cubic root of 9638029942 is about 2128.1198881131.

The spelling of 9638029942 in words is "nine billion, six hundred thirty-eight million, twenty-nine thousand, nine hundred forty-two".